Keystones — Lintel

Five GCSE retrieval questions · 15 February 2024 · mathsvault.uk/keystones

1. Number

The sum of three consecutive numbers is 126. What are the numbers?

Answer: 41, 42, and 43
2. Algebra

Solve: ^x⁄₃ = 8.6666666666667

Answer: x = 26
3. Geometry

Opposite = 8cm, adjacent = 8cm. Calculate the angle

Answer: 45°
4. Ratio

Calculate 26.4% of 779

Answer: 205.66
5. Statistics

A bag has 3 red and 6 blue balls. What is the probability of picking a red ball?

Answer: ¹⁄₃

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